345446359 has 2 divisors, whose sum is σ = 345446360. Its totient is φ = 345446358.

The previous prime is 345446333. The next prime is 345446371. The reversal of 345446359 is 953644543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345446359 - 2⁵ = 345446327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345446329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172723179 + 172723180.

It is an arithmetic number, because the mean of its divisors is an integer number (172723180).

Almost surely, 2^345446359 is an apocalyptic number.

345446359 is a deficient number, since it is larger than the sum of its proper divisors (1).

345446359 is an equidigital number, since it uses as much as digits as its factorization.

345446359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 43.

The square root of 345446359 is about 18586.1873174678. The cubic root of 345446359 is about 701.6602489306.

The spelling of 345446359 in words is "three hundred forty-five million, four hundred forty-six thousand, three hundred fifty-nine".